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⚡ AI Lessons

Dev.to · 404Saint
3d ago
Inside S7comm: From ISO-on-TCP to PLC Memory
By RUGERO Tesla (@404Saint). S7comm is one of those protocols that looks simple until you start...

Dev.to · 404Saint
🔐 Cybersecurity
⚡ AI Lesson
1mo ago
IEC 104 Before the Wire: Understanding Its Architecture, Framing, and Security Boundaries
By RUGERO Tesla (@404Saint). IEC 60870-5-104 (IEC 104) is the TCP/IP-based member of the IEC...

Dev.to · 404Saint
🏗️ Systems Design & Architecture
⚡ AI Lesson
1mo ago
Building BACnet from Raw Packets: Objects, Priority Arrays, BBMDs, and Event Services
By RUGERO Tesla (@404saint) Industrial communication protocols reveal their design philosophy...

Dev.to · 404Saint
🏗️ Systems Design & Architecture
⚡ AI Lesson
2mo ago
Why Advanced Industrial Protocols Give Raw Sockets the "Silent Treatment"
By RUGERO Tesla (@404saint) When I first ditched high-level libraries like pyModbus to build my own...

Dev.to · 404Saint
🏗️ Systems Design & Architecture
⚡ AI Lesson
3mo ago
I Removed the High-Level Frameworks and Hand-Crafted My Own Modbus TCP Toolkit From Raw Sockets
By RUGERO Tesla (@404Saint). Industrial protocols always felt like an intentional black box to...

Dev.to · 404Saint
🔐 Cybersecurity
⚡ AI Lesson
4mo ago
I Wrote 10 Lines of Python and Took Control of a PLC. No Password Required.
By RUGERO Tesla (@404Saint). Before today, I had never touched industrial security. I just had a PC,...

Dev.to · 404Saint
🔐 Cybersecurity
⚡ AI Lesson
5mo ago
Securing the Air-Gap: Building a Hardware-Aware Forensic Suite for ICS/OT by Rugero Tesla (404saint)
The Problem In industrial environments, the "Air-Gap" is a myth as long as USB drives...

Dev.to · 404Saint
🔐 Cybersecurity
⚡ AI Lesson
5mo ago
SurfaceLens V2 — Infrastructure Attack Surface & Shadow IT Intelligence Engine by Rugero Tesla (404saint)
Most organizations don’t actually understand their infrastructure attack surface. Across enterprise...
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